LAKE DEFOREST WATER TREATMENT PLANT
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
55 OLD MILL ROAD
WEST NYACK, NY 10994
View on map ↗ - County
- ROCKLAND County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22131
- Inspections
- 4 · last Mar 10, 2025
- Total Penalties
- $0
- Registry ID
- 110009463776
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Schedule Event reported late | Jan 28, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 28, 2012 | — | Open |
| cwa | Schedule Event reported late | Jan 1, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2010 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 1, 2010 | May 7, 2010 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2010 | May 7, 2010 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2010 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 1, 2010 | Mar 29, 2010 | Resolved |
| cwa | Schedule Event reported late | Jan 1, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2010 | Mar 29, 2010 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Manganese, total [as Mn] | DMR, Limited - Numeric Violation | 5.60 mg/L | 4.00 | +40% | Aug 2025 | Resolved |
| Manganese, total [as Mn] | DMR, Limited - Numeric Violation | 11.10 mg/L | 4.00 | +178% | Jul 2025 | Resolved |
| Manganese, total [as Mn] | DMR, Limited - Numeric Violation | 4.40 mg/L | 4.00 | +10% | May 2025 | Resolved |
| Manganese, total [as Mn] | DMR, Limited - Numeric Violation | 4.20 mg/L | 4.00 | +5% | Nov 2024 | Open |
| Manganese, total [as Mn] | DMR, Limited - Numeric Violation | 6.50 mg/L | 4.00 | +63% | Aug 2024 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +100% | Feb 2021 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.00 | +31,900% | Apr 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.00 mg/L | 20.00 | +5% | Jan 2018 | Open |
| Manganese, total [as Mn] | DMR, Limited - Numeric Violation | 6.20 mg/L | 4.00 | +55% | Aug 2017 | Open |
| Manganese, total [as Mn] | DMR, Limited - Numeric Violation | 18.00 mg/L | 4.00 | +350% | Aug 2015 | Resolved |
| Manganese, total [as Mn] | DMR, Limited - Numeric Violation | 10.60 mg/L | 4.00 | +165% | Jul 2015 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.